The report also revealed that priorities in 'commuter etiquette' include moving your bag to let someone sit down, holding doors open and turning down your music.

Not putting your feet on a seat, avoiding smelly food and having your ticket ready also featured in the top 20, although one in five admitted they don't always follow these 'unwritten rules' themselves.

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Some have suggested priority seating should be made clearer to remedy commuter rudeness and 60 per cent would like to see more posters and pictures in stations.

Natalie Cowley of Mama Mio, the company responsible for the findings, said: “The #ExpectingChange campaign aims to raise awareness on behalf of pregnant women, and inspire Brits to have more consideration for fell commuters.
"We also hope it will empower pregnant women to have the courage to ask for a seat when they need one.”

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